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XMLUI My Archived Submissions to sort using DB rather than array loop

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Peter Dietz
2014-07-09 14:30:59 -04:00
parent 9594c2b31a
commit 0862d27fee
2 changed files with 58 additions and 4 deletions
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46
dspace-api/src/main/java/org/dspace/content/Item.java
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@@ -244,6 +244,52 @@ public class Item extends DSpaceObject
return new ItemIterator(context, rows);
}
/**
* Retrieve the list of Items submitted by eperson, ordered by recently submitted, optionally limitable
* @param context
* @param eperson
* @param limit a positive integer to limit, -1 or null for unlimited
* @return
* @throws SQLException
*/
public static ItemIterator findBySubmitterDateSorted(Context context, EPerson eperson, Integer limit) throws SQLException
{
String querySorted = "SELECT \n" +
" item.item_id, \n" +
" item.submitter_id, \n" +
" item.in_archive, \n" +
" item.withdrawn, \n" +
" item.owning_collection, \n" +
" item.last_modified, \n" +
" metadatavalue.text_value\n" +
"FROM \n" +
" public.item, \n" +
" public.metadatafieldregistry, \n" +
" public.metadatavalue\n" +
"WHERE \n" +
" metadatafieldregistry.metadata_field_id = metadatavalue.metadata_field_id AND\n" +
" metadatavalue.item_id = item.item_id AND\n" +
" metadatafieldregistry.element = 'date' AND \n" +
" metadatafieldregistry.qualifier = 'accessioned' AND \n" +
" item.submitter_id = ? AND \n" +
" item.in_archive = true\n" +
"ORDER BY\n" +
" metadatavalue.text_value desc";
TableRowIterator rows;
if(limit != null && limit > 0) {
querySorted += " limit ? ;";
rows = DatabaseManager.query(context, querySorted, eperson.getID(), limit);
} else {
querySorted += ";";
rows = DatabaseManager.query(context, querySorted, eperson.getID());
}
return new ItemIterator(context, rows);
}
/**
* Get the internal ID of this item. In general, this shouldn't be exposed
* to users